[Bug ld/13991] powerpc-rtems ld failure [regression]

[joel.sherrill at oarcorp dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13991

--- Comment #9 from Joel Sherrill <joel.sherrill at oarcorp dot com> 2012-04-23 
20:36:37 UTC ---
$ git bisect bad
8b6ed5b4da2a02a7cefa7db05e99cce952cbcd54 is the first bad commit
commit 8b6ed5b4da2a02a7cefa7db05e99cce952cbcd54
Author: Alan Modra <address@hidden>
Date:   Sat Jul 9 06:20:50 2011 +0000

        PR ld/12942
    bfd/
        * elflink.c (elf_link_add_object_symbols): Use elf_discarded_section
        rather than kept_section to determine whether a symbol is from
        a discarded section.
        * cofflink.c (coff_link_add_symbols): Make symbols from discarded
        sections appear undefined.

        * elf-bfd.h (_bfd_elf_section_already_linked): Replace
        "asection *" with "struct already_linked *".
        * libbfd-in.h (_bfd_nolink_section_already_linked): Likewise.
        (_bfd_generic_section_already_linked): Likewise.
        (bfd_section_already_linked_table_insert): Likewise.
        (struct already_linked): New.
        (struct bfd_section_already_linked): Use it.
        * elflink.c (_bfd_elf_section_already_linked): Replace.
        "asection *" with "struct already_linked *".  Replace the plugin
        dummy with the LTO output.
        * linker.c (_bfd_generic_section_already_linked): Likewise.
        * targets.c (struct already_linked): Add forward declaration.
        (bfd_target): Replace "struct bfd_section *" with
        "struct already_linked *" in _section_already_linked.
        * bfd-in2.h: Regenerate.
        * libbfd.h: Regenerate.

    include/
        * bfdlink.h (bfd_link_info): Add loading_lto_outputs.

    ld/
        * ldlang.c (section_already_linked): Pass "struct already_linked *"
        to bfd_section_already_linked.
        (lang_process): Set link_info.loading_lto_outputs before
        loading LTO outputs.
        * plugin.c: Include "libbfd.h".
        (add_symbols): Call bfd_section_already_linked with comdat_key.

:040000 040000 b74c43ec7468f632b6a9d46d8fdd8097c1d9a004
1ee60c94c23664ee75221d3d778704ecd60c6b41 M    bfd
:040000 040000 8fbaed852e51637be17fcd0fdf4d841df8399c26
108b5ddd493c9e4de599ba753f97d50b79d26522 M    include
:040000 040000 9251eb9c0bb7ca6c4fa6574d8f42551c5e1055e0
1f402ac26f7639b97146c3368964a712a0f3d0a0 M    ld

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